|Match|Date|Round|Home/Away|Opponent team|Score|Scorers|
|---|---|---|---|---|---|---|
|1|17 September 2007|Group Stage|Home|Benfica|2–1|Pirlo  9', Inzaghi  24'|
|2|3 October 2007|Group Stage|Away|Celtic|2–1|Kaká  68' (pen.)|
|3|24 October 2007|Group Stage|Home|Shakhtar Donetsk|4–1|Gilardino  6', 14', Seedorf  62', 69'|
|4|6 November 2007|Group Stage|Away|Shakhtar Donetsk|0–3|Inzaghi  66', 90+3', Kaká  72'|
|5|28 November 2007|Group Stage|Away|Benfica|1–1|Pirlo  15'|
|6|4 December 2007|Group Stage|Home|Celtic|1–0|Inzaghi  70'|
|7|20 February 2008|Round of 16|Away|Arsenal|0–0||
|8|4 March 2008|Round of 16|Home|Arsenal|0–2||

Question: what number of games did both teams score no points?
Answer: 1